html,body {
    margin:0;
    padding:0;
    height: 100%;
    background-color: #d7d2d2;
}

.locationCss1 {
    text-align: center; /*让div内部文字居中*/
    background-color: #fff;
    width: 583px;
    height: 700px;
    margin: auto;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.locationCss2 {
    text-align: center; /*让div内部文字居中*/
    background-color: #fff;
    width: 900px;
    height: 750px;
    margin: auto;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}
.testCss{
    margin: 20px auto 0px;
    display: flex;
    align-items: center;
    background-color: white;
    height: 90%;
    width: 90%;
    border: 2px solid blue;
}



